Haystack, California Weather
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Weather Forecast for Haystack, California : Sonoma County
Issued: 2:47 pm PDT Jun 30, 2025 Latitude: 38.2232504 Longitude: -122.6099847 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Independence Day Saturday Sunday Monday
Patchy Fog on Overnight 10% chance of on Tuesday Morning Fog on Wednesday Mostly Sunny on Thursday Mostly Sunny on Independence Day Sunny on Saturday Patchy Fog on Sunday Patchy Fog on Monday
Low: 52°F High: 78°F High: 80°F High: 77°F High: 74°F High: 77°F High: 78°F High: 74°F
Low: 52°F Low: 52°F Low: 50°F Low: 50°F Low: 50°F Low: 50°F  
Patchy Fog Morning Fog Morning Fog Mostly Sunny Mostly Sunny Sunny Patchy Fog Patchy Fog
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Current Conditions at
NAPA - (KAPC)
55°
Clear
as of 11:54 PM PDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
10 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
SANTA ROSA - (KSTS)
54°
Cloudy
as of 11:53 PM PDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: LIFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
CONCORD - (KCCR)
63°
Clear
as of 11:53 PM PDST
Rel. Humidity: 72%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
VACAVILLE - (KVCB)
66°
Clear
as of 11:53 PM PDST
Rel. Humidity: 59%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Clear
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.
10% chance of Tuesday Tuesday... A slight chance of drizzle before 11am. Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west 5 to 9 mph in the afternoon.
Morning Fog on Tuesday Night Tuesday Night... Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Morning Fog on Wednesday Wednesday... Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 52. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 77.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 50.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 74.
Morning Fog on Friday Night Friday Night... Patchy fog after 5am. Otherwise, mostly clear, with a low around 50.
Sunny on Saturday Saturday... Sunny, with a high near 77.
Patchy Fog on Saturday Night Saturday Night... Patchy fog. Otherwise, mostly clear, with a low around 50.
Patchy Fog on Sunday Sunday... Patchy fog. Otherwise, sunny, with a high near 78.
Patchy Fog on Sunday Night Sunday Night... Patchy fog. Otherwise, partly cloudy, with a low around 50.
Patchy Fog on Monday Monday... Patchy fog. Otherwise, mostly sunny, with a high near 74.
Current Radar Image


Sun Almanac for Haystack, California
Sunrise: 05:51 AM
Sunset: 8:38 PM
Civil Sunrise:05:20 AM
Civil Sunset: 9:09 PM
Nautical Sunrise: 04:40 AM
Nautical Sunset: 9:48 PM
Astro Sunrise: 03:56 AM
Astro Sunset: 10:33 PM
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